Use layers
Annotation layers
Layers are used with annotations in slideshow and temporal visualization.
Each annotation is drawn on a layer. You can modify the layer in annotation properties:
To edit layer:
	- Click on view and open properties.
 
    - Select view tab of the properties.
 
    - Show/Hide annotations inside layer.
 
    - Lock/Unlock annotations inside layer: You will not be able to move them in view.
 
    - Use 
+ and - to add or remove selected layer. 
    - Open advanced properties (see below).
 
Advanced properties
	- Edit title and color of layer.
 
    - Show/Hide annotations inside layer.
 
    Use time animation: Used by default in slideshow to animate start and end date of annotations. 
    - Lock/Unlock annotations inside layer: You will not be able to move them in view.
 
	- Use same color and/or opacity for all annotations inside layer.
 
	Properties outside time duration: Use personalized color and/or opacity when uncheck time animation (see 3).